<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .root {
            width:0;
            height:0;
            border-radius:50%;
            border:50px solid transparent;
            border:50px solid red;

        }
        .tixing {
            width:50px;
            height:50px;
            border:50px solid transparent;
            border-bottom: 50px solid red;
        }
        .price {
            display:flex;
            justify-content:space-between;
            align-items:center;
            width: 200px;
            height: 35px;
            line-height: 35px;
            border:1px solid red;
        }
        .price div {
            text-align: center;
        }
        .first {
            width: 100px;
            height: 100%;
            background-color: red;
            position: relative;
            display: flex;

        }
        .sj {
            position:absolute;
            width: 0;
            height: 0;
            right: 0;
            border-color:transparent black transparent transparent;
            border-style: solid;
            border-width:0 35px 0 0;
        }
    </style>
    
</head>
<body>
    <div class="root"></div>
    <div class="tixing"></div>

    <div class="price">
        <div class="first">
            ￥111
            <div class="sj"></div>
        </div>
        <div>￥222</div>
    </div>
    
</body>
</html>